body {
    /* text-align: center; */
    padding: 20px;
    margin: 0;
}

.header-title{
    height: 50px;
    line-height: 50px;
    background: #3a3a3a;
    text-align: center;
    font-size: 22px;
    font-weight: bold;
    color: #fff;
    margin: 0;
    border-radius: 10px;
}

.container{
    margin: 20px 0;
    display: flex;
    justify-content: space-between;
}

input{
   width: 100%;
   box-sizing: border-box;
   font-weight: bold;
   border: none;
   padding: 8px 15px;
   outline: none;
   border-radius: 10px;
   box-shadow: 1px 1px 5px #888;
}

#submit{
    width: 10%;
    padding: 8px 15px;
    background: #3a3a3a;
    border: 1px solid #8a8a8a;
    border-radius: 5px;
    margin-top: 20px;
    color: #fff;
    cursor: pointer;
}
#submit:hover{
    background: #464646;
}